refactor nixos

nixos/common/global/age.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+let
+  hostname = config.networking.hostName;
+in
+{
+  environment.systemPackages = with pkgs; [
+    agenix-rekey
+  ];
+
+  age = {
+    # Master identity used for decryption
+    rekey.masterIdentities = [ ../users/sajenim/agenix-rekey.pub ];
+    # Pubkey for rekeying
+    rekey.hostPubkey = ../../${hostname}/ssh_host_ed25519_key.pub;
+    # As user not a trusted-users in our nix.conf
+    # we must add age.rekey.cacheDir as a global extra sandbox path
+    rekey.cacheDir = "/var/tmp/agenix-rekey/\"$UID\"";
+  };
+
+  # Required to persist `/var/tmp/agenix-rekey`
+  environment.persistence."/persist".directories = [
+    { directory = "/var/tmp/agenix-rekey"; mode = "1777"; }
+  ];
+}

nixos/common/global/default.nix

@@ -1,14 +1,21 @@
-{ outputs, ... }:
+{ inputs, outputs, ... }:
 
 {
   imports = [
+    inputs.home-manager.nixosModules.home-manager
+    inputs.agenix.nixosModules.default
+    inputs.agenix-rekey.nixosModules.default
+    ./age.nix
+    ./env.nix
     ./nix.nix
     ./ssh.nix
-    ./system-tools.nix
   ];
 
   nixpkgs = {
     overlays = [
+      # Overlays exported from other flakes
+      inputs.agenix-rekey.overlays.default
+      # Overlays our own flake exports
       outputs.overlays.additions
       outputs.overlays.modifications
       outputs.overlays.unstable-packages

nixos/common/global/env.nix

@@ -2,6 +2,8 @@
 
 {
   environment = {
+    binsh = "${pkgs.bash}/bin/bash";
+    shells = with pkgs; [ zsh ];
     systemPackages = with pkgs; [
       # Ensure home-manager is on all systems
       home-manager
@@ -25,5 +27,6 @@
       unrar   # extract roshal archive
       unzip   # extract zip archive
     ];
+    pathsToLink = [ "/share/zsh" ];
   };
 }

nixos/common/global/ssh.nix

@@ -7,7 +7,6 @@
       PermitRootLogin = "no";
       PasswordAuthentication = false;
     };
-    ports = [ 48654 ];
     openFirewall = true;
   };
 }

nixos/common/optional/key.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    # Configure your YubiKey via the command line
+    yubikey-manager
+    # Enables files to be encrypted to age identities stored on YubiKeys
+    age-plugin-yubikey
+  ];
+
+  # GPG and SSH support
+  services.udev.packages = [ pkgs.yubikey-personalization ];
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  # Use our yubikey as a user login or for sudo access 
+  security.pam.services = {
+    login.u2fAuth = true;
+    sudo.u2fAuth = true;
+  };
+}

nixos/common/optional/persist.nix

@@ -1,6 +1,10 @@
-{ ... }:
+{ inputs, ... }:
 
 {
+  imports = [
+    inputs.impermanence.nixosModules.impermanence
+  ];
+
   # Files and directories we with to keep between reboots
   environment.persistence."/persist" = {
     hideMounts = true;
@@ -19,4 +23,5 @@
       "/etc/ssh/ssh_host_ed25519_key.pub"
     ];
   };
+  programs.fuse.userAllowOther = true;
 }

nixos/common/optional/wireguard/default.nix

@@ -0,0 +1,44 @@
+{ pkgs, config, ... }:
+
+{
+  age.secrets.wireguard = {
+    rekeyFile = ./private.age;
+    owner = "root";
+    group = "root";
+  };
+  networking = {
+    nat = {
+      enable = true;
+      externalInterface = "wlp2s0";
+      internalInterfaces = [ "wg0" ];
+    };
+    wireguard.interfaces = {
+      wg0 = {
+        # IP address and subnet of the server's end of the tunnel interface
+        ips = [ "10.100.0.1/24" ];
+        listenPort = 51820;
+        # This allows the wireguard server to route your traffic to the internet and hence be like a VPN
+        # For this to work you have to set the dnsserver IP of your router (or dnsserver of choice) in your clients
+        postSetup = ''
+          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o wlp2s0 -j MASQUERADE
+       '';
+        # This undoes the above command
+        postShutdown = ''
+          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o wlp2s0 -j MASQUERADE
+        '';
+        # Path to the private key file.
+        privateKeyFile = config.age.secrets.wireguard.path;
+        peers = [
+          { # Pixel 6 Pro
+            publicKey = "VaXMnFAXdbJCllNY5sIjPp9AcSM7ap2oA0tU9SIMK3E=";
+            allowedIPs = [ "10.100.0.2/32" ];
+          }
+          { # Samsung S23 Ultra
+            publicKey = "dL91i7+VDWfeLCOr53JlzQ32WJ3lRJGqdecoqUpEnlQ=";
+            allowedIPs = [ "10.100.0.3/32" ];
+          }
+        ];
+      };
+    };
+  };
+}

nixos/common/optional/wireguard/private.age

@@ -0,0 +1,8 @@
+age-encryption.org/v1
+-> piv-p256 hdSnGw A/NcMAzxWqwfIj8WgcgfTBJvEnL5WgdKHwUnYfXN68pi
+P6/BFTnqTakpTcVNayWomuXrE8E8dSHftODD+3E8aps
+-> ]@Y:GoO$-grease 6
+v+HE7AkcnlS/pBdhL19CdYHTJGL7EZrvPfRs8j54LnxzJ9hjaBtydX4N/sIo6mjI
+444BncysktRop1LB7A
+--- 0sHzYGeQ0FGC5gJFdFNs5PZfVuR5cleMoPz7ry29fXU
+qZçöóQ3Â’DF;žõ±þCÊ6%Æ
«âspïgSRmP¾4»Œ8]:ÌMZåPƒ»G>òd«Å—g?ß(¢Œ93öM¯7÷,

nixos/common/users/sajenim/agenix-rekey.pub

@@ -0,0 +1 @@
+AGE-PLUGIN-YUBIKEY-1S6XLYQYZSH22WXCHDCFRJ

nixos/common/users/sajenim/default.nix

@@ -1,16 +1,12 @@
-{ inputs, outputs, pkgs, ... }:
+{ inputs, outputs, pkgs, config, ... }:
 
 {
-  imports = [
-    "${inputs.self}/nixos/common/optional/steam.nix"
-  ];
-
   users.users.sajenim = {
       isNormalUser = true;
       extraGroups = [ "audio" "docker" "networkmanager" "wheel" ];
       shell = pkgs.zsh;
       openssh.authorizedKeys.keyFiles = [
-        "${inputs.self}/home-manager/sabrina/id_ed25519.pub"
+        "${inputs.self}/home-manager/sajenim/sajenim_sk.pub"
       ];
       hashedPassword = "$y$j9T$qIhW5qL9J9w.w6JWa.bGo/$oddG3HJyOZ1mwHzYnYPJ/MzN38oHEBEvPDc0sB3rAf9";
   };
@@ -19,7 +15,7 @@
   home-manager = {
     extraSpecialArgs = { inherit inputs outputs; };
     users = {
-      sajenim = import "${inputs.self}/home-manager/sajenim/home.nix";
+      sajenim = import "${inputs.self}/home-manager/sajenim/${config.networking.hostName}.nix";
     };
   };
 }

nixos/fuchsia/configuration.nix

@@ -1,12 +1,11 @@
-{ inputs, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   imports = [
-    inputs.impermanence.nixosModules.impermanence
-    inputs.home-manager.nixosModules.home-manager
-
     ../common/global
     ../common/users/sajenim
+    ../common/optional/key.nix
+    ../common/optional/steam.nix
 
     ./hardware-configuration.nix
   ];
@@ -48,55 +47,13 @@
     networkmanager.enable = true;
   };
 
-  fonts = {
-    packages = with pkgs; [
-      fantasque-sans-mono
-      fira-code
-      ibm-plex
-      inconsolata
-      iosevka
-      jetbrains-mono
-    ];
-  };
-
-  environment = {
-    # Symlink /bin/sh to POSIX-Complient shell
-    binsh = "${pkgs.bash}/bin/bash";
-    shells = with pkgs; [ zsh ];
-    # Install packages, prefix with 'unstable.' to use overlay
-    systemPackages = with pkgs; [
-      # Audio
-      pulsemixer
-      # Code editors
-      emacs vscode
-      # Browsers
-      firefox
-      # Graphics
-      gimp inkscape krita
-      # Printing
-      blender freecad openscad prusa-slicer
-      # Misc
-      openrgb protonup-ng
-      # Hardware
-      libratbag piper
-    ];
-    # Completions for system packages
-    pathsToLink = [ "/share/zsh" ];
-  };
-
   programs = {
     zsh.enable = true;
-    gnupg.agent = {
-      enable = true;
-      enableSSHSupport = true;
-    };
-    fuse.userAllowOther = true;
     direnv.enable = true;
   };
 
   services = {
     udev.packages = with pkgs; [
-      yubikey-personalization
       openrgb
       qmk-udev-rules
     ];
@@ -113,6 +70,7 @@
       displayManager.startx.enable = true;
     };
     ratbagd.enable = true;
+    pcscd.enable = true;
   };
 
   virtualisation.docker = {
@@ -120,11 +78,6 @@
     liveRestore = false;
   };
 
-  security.pam.services = {
-    login.u2fAuth = true;
-    sudo.u2fAuth = true;
-  };
-
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = "22.11";
 }

nixos/fuchsia/hardware-configuration.nix

@@ -31,7 +31,6 @@
   ];
 
   networking.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

nixos/viridian/configuration.nix

@@ -1,121 +1,21 @@
-# This is your system's configuration file.
+{ outputs, pkgs, ... }: 
-# Use this to configure your system environment (it replaces /etc/nixos/configuration.nix)
+
 {
-  inputs,
-  outputs,
-  lib,
-  config,
-  pkgs,
-  ...
-}: {
-  # You can import other NixOS modules here
   imports = [
-    # If you want to use modules your own flake exports (from modules/nixos):
+    ../common/global
-    # outputs.nixosModules.example
+    ../common/users/sajenim
-    outputs.nixosModules.qbittorrent
+    ../common/optional/wireguard
 
-    # Or modules from other flakes (such as nixos-hardware):
+    ./services
-
+    ./containers
-    # You can also split up your configuration and import pieces of it here:
-    # ./users.nix
-
-    # Import common configurations
-    ../common/system-tools.nix
-
-    # Import containers
-    ./containers/dashboard
-    ./containers/microbin
-    ./containers/multimedia
-
-    # Import services
-    ./services/adguardhome
-    ./services/borgbackup
-    ./services/home-assistant
-    ./services/minecraft-server
-    ./services/traefik
-
-    # Import your generated (nixos-generate-config) hardware configuration
     ./hardware-configuration.nix
+    
+    outputs.nixosModules.qbittorrent
   ];
 
-  age.secrets.wireguard = {
+  boot.kernel.sysctl = {
-    # Private key for wireguard
-    file = inputs.self + /secrets/wireguard.age;
-    owner = "root";
-    group = "root";
-  };
-
-  nixpkgs = {
-    # You can add overlays here
-    overlays = [
-      # Add overlays your own flake exports (from overlays and pkgs dir):
-      outputs.overlays.additions
-      outputs.overlays.modifications
-      outputs.overlays.unstable-packages
-
-      # You can also add overlays exported from other flakes:
-      # neovim-nightly-overlay.overlays.default
-
-      # Or define it inline, for example:
-      # (final: prev: {
-      #   hi = final.hello.overrideAttrs (oldAttrs: {
-      #     patches = [ ./change-hello-to-hi.patch ];
-      #   });
-      # })
-    ];
-    # Configure your nixpkgs instance
-    config = {
-      # Disable if you don't want unfree packages
-      allowUnfree = true;
-      packageOverrides = pkgs: {
-        # enable vaapi on OS-level
-        vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
-      };
-    };
-  };
-
-  nix = {
-    gc = {
-      # Automatically run the garbage collector an a specified time.
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 30d";
-    };
-
-    # This will add each flake input as a registry
-    # To make nix3 commands consistent with your flake
-    registry = lib.mapAttrs (_: value: {flake = value;}) inputs;
-
-    # This will additionally add your inputs to the system's legacy channels
-    # Making legacy nix commands consistent as well, awesome!
-    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
-
-    settings = {
-      # Enable flakes and new 'nix' command
-      experimental-features = "nix-command flakes";
-      # Deduplicate and optimize nix store
-      auto-optimise-store = true;
-    };
-  };
-
-  # Select internationalisation properties
-  i18n.defaultLocale = "en_AU.UTF-8";
-  # Set timezone
-  time.timeZone = "Australia/Perth";
-
-  boot = {
-    loader = {
-      systemd-boot.enable = true;
-      efi = {
-        canTouchEfiVariables = true;
-        efiSysMountPoint = "/boot/efi";
-      };
-    };
-    kernel.sysctl = {
-      # Allow listening on TCP & UDP ports below 1024
     "net.ipv4.ip_unprivileged_port_start" = 0;
   };
-  };
 
   hardware.opengl = {
     enable = true;
@@ -124,21 +24,13 @@
       vaapiIntel
       vaapiVdpau
       libvdpau-va-gl
-      intel-compute-runtime # OpenCL filter support (hardware tonemapping and subtitle burn-in)
+      intel-compute-runtime
     ];
   };
 
   networking = {
     hostName = "viridian";
-    domain = "kanto.dev";
     networkmanager.enable = true;
-    # Required for wireguard
-    nat = {
-      enable = true;
-      externalInterface = "wlp2s0";
-      internalInterfaces = [ "wg0" ];
-    };
-    # Setup our firewall
     firewall = {
       enable = true;
       allowedTCPPorts = [
@@ -155,82 +47,15 @@
         51820 # Wireguard
       ];
     };
-
-    # Setup our Home network VPN
-    wireguard.interfaces = {
-      wg0 = {
-        # IP address and subnet of the server's end of the tunnel interface
-        ips = [ "10.100.0.1/24" ];
-        listenPort = 51820;
-        # This allows the wireguard server to route your traffic to the internet and hence be like a VPN
-        # For this to work you have to set the dnsserver IP of your router (or dnsserver of choice) in your clients
-        postSetup = ''
-          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o wlp2s0 -j MASQUERADE
-       '';
-        # This undoes the above command
-        postShutdown = ''
-          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o wlp2s0 -j MASQUERADE
-        '';
-        # Path to the private key file.
-        privateKeyFile = config.age.secrets.wireguard.path;
-        peers = [
-          { # Pixel 6 Pro
-            publicKey = "VaXMnFAXdbJCllNY5sIjPp9AcSM7ap2oA0tU9SIMK3E=";
-            # List of IPs assigned to this peer within the tunnel subnet.
-            allowedIPs = [ "10.100.0.2/32" ];
-          }
-          { # Samsung S23 Ultra
-            publicKey = "dL91i7+VDWfeLCOr53JlzQ32WJ3lRJGqdecoqUpEnlQ=";
-            allowedIPs = [ "10.100.0.3/32" ];
-          }
-        ];
-      };
-    };
   };
 
-  # Setup environment
-  environment = {
-    # Symlink /bin/sh to POSIX-Complient shell
-    binsh = "${pkgs.bash}/bin/bash";
-    shells = with pkgs; [ zsh ];
-
-    # Install packages, prefix with 'unstable.' to use overlay
-    systemPackages = with pkgs; [
-      agenix.packages."${system}".default
-    ];
-  };
  programs = {
     zsh.enable = true;
   };
 
-  services = {
+  virtualisation.docker = {
-    # This setups a SSH server. Very important if you're setting up a headless system.
-    # Feel free to remove if you don't need it.
-    openssh = {
     enable = true;
-      # Forbid root login through SSH.
+    liveRestore = false;
-      settings.PermitRootLogin = "no";
-      # Use keys only. Remove if you want to SSH using password (not recommended)
-      settings.PasswordAuthentication = false;
-    };
-  };
-
-  # Virtualisation
-  virtualisation.docker.enable = true;
-
-  # Configure your system-wide user settings (groups, etc), add more users as needed.
-  users = {
-    users = {
-      # System administator
-      sabrina = {
-        isNormalUser = true;
-        extraGroups = [ "networkmanager" "wheel" "media" "docker" ];
-        openssh.authorizedKeys.keyFiles = [
-          ../../home-manager/sajenim/id_ed25519_sk.pub
-        ];
-        shell = pkgs.zsh;
-      };
-    };
   };
 
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion

nixos/viridian/hardware-configuration.nix

@@ -1,49 +1,46 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+{ config, lib, ... }:
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports =
+  imports = [
-    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ../common/optional/ephemeral-btrfs.nix
   ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot = {
-  boot.initrd.kernelModules = [ ];
+    initrd = {
-  boot.kernelModules = [ "kvm-intel" ];
+      availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
-  boot.extraModulePackages = [ ];
+      kernelModules = [ "kvm-intel" ];
-
+    };
-  fileSystems."/" =
+    loader = {
-    { device = "/dev/disk/by-uuid/d9639ca2-617b-4b9f-9b6f-cc103a666b7e";
+      systemd-boot.enable = true;
-      fsType = "ext4";
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+    };
   };
 
-  fileSystems."/boot/efi" =
+  fileSystems."/boot" = { 
-    { device = "/dev/disk/by-uuid/93DA-2CCC";
+    device = "/dev/disk/by-label/ESP";
     fsType = "vfat";
   };
 
-  fileSystems."/mnt/data" =
+  fileSystems."/mnt/data" = { 
-    { device = "/dev/disk/by-uuid/3548fbc6-6efd-4ed1-acc1-bd3ffed9d7a7";
+    device = "/dev/disk/by-label/data";
     fsType = "ext4";
   };
 
-  fileSystems."/mnt/backup" =
+  fileSystems."/mnt/backup" = {
-    { device = "/dev/disk/by-uuid/443fcb5a-b814-4d33-8cfb-93f6ff4aca11";
+    device = "/dev/disk/by-label/backup";
     fsType = "ext4";
   };
 
+  swapDevices = [ 
+    { device = "/swap/swapfile";
+      size = 16*1024;
+    }
+  ];
 
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;